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40420530244 = 2210105132561
BaseRepresentation
bin100101101001010000…
…000101100001000100
310212022222100200112201
4211221100011201010
51130240123431434
630322520124244
72630441560333
oct455120054104
9125288320481
1040420530244
11161623766a6
127a00906684
133a72231723
141d56397d1a
1510b88a3614
hex969405844

40420530244 has 6 divisors (see below), whose sum is σ = 70735927934. Its totient is φ = 20210265120.

The previous prime is 40420530239. The next prime is 40420530259. The reversal of 40420530244 is 44203502404.

It can be written as a sum of positive squares in only one way, i.e., 26321817600 + 14098712644 = 162240^2 + 118738^2 .

It is a super-3 number, since 3×404205302443 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052566277 + ... + 5052566284.

Almost surely, 240420530244 is an apocalyptic number.

It is an amenable number.

40420530244 is a deficient number, since it is larger than the sum of its proper divisors (30315397690).

40420530244 is a wasteful number, since it uses less digits than its factorization.

40420530244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105132565 (or 10105132563 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The spelling of 40420530244 in words is "forty billion, four hundred twenty million, five hundred thirty thousand, two hundred forty-four".

Divisors: 1 2 4 10105132561 20210265122 40420530244